Judge Bahiru Darecha said Tuesday the group was making plans and getting supplies to attack politica and economic targets in Ethiopia. Eleven men were originally charged with the terror-related crimes but the judge acquitted one person.

Six of the men found guilty were charged in absentia. Sentencing will be carried out on Jan 15.

Prosecutors said the suspects, who include one Kenyan national, formed a cell that worked with Somalia's Islamist radicals, al-Shabab. Al-Shabab is affiliated with al-Qaida.

The verdicts come amid signs of increasing militancy in the East African nation. Ethiopian troops moved into Somalia last year to fight al-Shabab.